2015ApJ...812...81L

Query : 2015ApJ...812...81L

2015ApJ...812...81L - Astrophys. J., 812, 81 (2015/October-2)

Arecibo Pulsar survey using ALFA. IV. Mock spectrometer data analysis, survey sensitivity, and the discovery of 40 pulsars.

LAZARUS P., BRAZIER A., HESSELS J.W.T., KARAKO-ARGAMAN C., KASPI V.M., LYNCH R., MADSEN E., PATEL C., RANSOM S.M., SCHOLZ P., SWIGGUM J., ZHU W.W., ALLEN B., BOGDANOV S., CAMILO F., CARDOSO F., CHATTERJEE S., CORDES J.M., CRAWFORD F., DENEVA J.S., FERDMAN R., FREIRE P.C.C., JENET F.A., KNISPEL B., LEE K.J., VAN LEEUWEN J., LORIMER D.R., LYNE A.G., McLAUGHLIN M.A., SIEMENS X., SPITLER L.G., STAIRS I.H., STOVALL K. and VENKATARAMAN A.

Abstract (from CDS):

The on-going Arecibo Pulsar-ALFA (PALFA) survey began in 2004 and is searching for radio pulsars in the Galactic plane at 1.4 GHz. Here we present a comprehensive description of one of its main data reduction pipelines that is based on the PRESTO software and includes new interference-excision algorithms and candidate selection heuristics. This pipeline has been used to discover 40 pulsars, bringing the survey's discovery total to 144 pulsars. Of the new discoveries, eight are millisecond pulsars (MSPs; ms) and one is a Fast Radio Burst (FRB). This pipeline has also re-detected 188 previously known pulsars, 60 of them previously discovered by the other PALFA pipelines. We present a novel method for determining the survey sensitivity that accurately takes into account the effects of interference and red noise: we inject synthetic pulsar signals with various parameters into real survey observations and then attempt to recover them with our pipeline. We find that the PALFA survey achieves the sensitivity to MSPs predicted by theoretical models but suffers a degradation for ms that gradually becomes up to ∼10 times worse for at pc/cm3. We estimate 33±3% of the slower pulsars are missed, largely due to red noise. A population synthesis analysis using the sensitivity limits we measured suggests the PALFA survey should have found 224±16 un-recycled pulsars in the data set analyzed, in agreement with the 241 actually detected. The reduced sensitivity could have implications on estimates of the number of long-period pulsars in the Galaxy.

Abstract Copyright: ∼

Journal keyword(s): methods: data analysis - pulsars: general

VizieR on-line data: <Available at CDS (J/ApJ/812/81): table5.dat table6.dat>

Simbad objects: 174

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Number of rows : 174
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 ICRF J052109.8+163822 Sy1 05 21 09.88596258 +16 38 22.0515459   19.37 18.84 18.480   ~ 910 1
2 FRB 20181119D rB 05 31 58.6980 +33 08 52.588           ~ 933 0
3 PSR J0557+1551 Psr 05 57 31.44918 +15 50 06.0460           ~ 16 0
4 PSR J0621+10 Psr 06 21 22.11108 +10 02 38.7410           ~ 128 1
5 PSR J0625+10 Psr 06 25 45.0 +10 16 00           ~ 8 0
6 PSR J0631+10 Psr 06 31 27.369 +10 37 05.63           ~ 152 0
7 PSR J1622-4950 Psr 16 22 44.80000 -49 50 54.5000           ~ 169 0
8 PSR J1829+0000 Psr 18 29 47.14 +00 00 08.5           ~ 10 0
9 PSR J1843-0000 Psr 18 43 27.96500 -00 00 41.5000           ~ 26 0
10 PSR J1844+00 Psr 18 44 11 +00 35.0           ~ 14 0
11 PSR J1849+0409 Psr 18 49 03.47 +04 09 42.3           ~ 20 0
12 PSR B1847+01.3 Psr 18 49 44.18 +01 27 23.0           ~ 13 0
13 PSR J1850+0244 Psr 18 50 41.683 +02 42 57.44           ~ 7 0
14 PSR J1851+0232 Psr 18 51.0 +02 32           ~ 1 0
15 PSR B1848+04 Psr 18 51 03.298 +04 18 12.00           ~ 45 0
16 PSR J1851+0118 Psr 18 51 52.28 +01 18 58.7           ~ 8 0
17 PSR B1849+00 Psr 18 52 27.42 +00 32 02.0           ~ 76 0
18 PSR J1852+0305 Psr 18 52 32.6 +03 05 05           ~ 8 0
19 PSR J1853+03 Psr 18 53 +03.0           ~ 3 0
20 PSR B1851+00.8 Psr 18 53 32.66 +00 56 59.0           ~ 17 0
21 PSR J1853+0545 Psr 18 53 58.418 +05 45 55.20           ~ 24 0
22 PSR J1854+0317 Psr 18 54 29.06 +03 17 31.0           ~ 4 0
23 PSR J1854+00 Psr 18 54 43.59750 +00 51 09.5007           ~ 4 0
24 PSR J1855+0307 Psr 18 55 26.63 +03 07 20.2           ~ 14 0
25 PSR B1853+04.3 Psr 18 55 41.37 +04 22 47.0           ~ 7 0
26 PSR B1853+01 Psr 18 56 10.65 +01 13 21.3           ~ 211 1
27 PSR J1856+0404 Psr 18 56 26.6 +04 04 26           ~ 11 0
28 PSR J1856+0102 Psr 18 56 28.50 +01 02 10.6           ~ 7 0
29 PSR B1854+00 Psr 18 57 00.80 +00 57 16.8           ~ 33 0
30 PSR J1857+0526 Psr 18 57 15.8572328808 +05 26 31.118999388           ~ 19 0
31 PSR B1855+02.1 Psr 18 57 40.90 +02 10 58.0           ~ 16 0
32 PSR B1855+02 Psr 18 57 43.65400 +02 12 41.0000           ~ 65 0
33 PSR J1858+02 Psr 18 58 +02.0           ~ 4 0
34 PSR J1857+0143 Psr 18 58 15.46 +01 36 55.4           ~ 44 0
35 PSR J1858+0215 Psr 18 58 17.43 +02 15 38.0           ~ 10 0
36 PSR J1859+0601 Psr 18 59 45.76 +06 01 46.1           ~ 9 0
37 PSR J1859+00 Psr 18 59 46.0 +00 35 00           ~ 9 0
38 PSR J1900+0227 Psr 19 00 38.6288368776 +02 27 30.004452540           ~ 10 0
39 PSR J1901+0235 Psr 19 01.0 +02 35           ~ 1 0
40 PSR J1901+0320 Psr 19 01 03.082 +03 20 17.50           ~ 4 0
41 PSR B1858+04.1 Psr 19 01 10.3 +04 13 51           ~ 17 0
42 PSR J1901+0254 Psr 19 01 15.7 +02 54 41           ~ 11 0
43 PSR J1901+0459 Psr 19 01 17.47 +04 59 06.8           ~ 7 0
44 PSR J1901+0355 Psr 19 01 30.81 +03 55 58.9           ~ 8 0
45 PSR B1859+03 Psr 19 01 31.7700 +03 31 04.960           ~ 156 0
46 PSR J1901+00 Psr 19 01 32.0 +00 26 00           ~ 5 0
47 PSR J1901+0435 Psr 19 01 32.2 +04 35 23           ~ 8 0
48 PSR B1859+01 Psr 19 01 34.288 +01 56 38.22           ~ 43 0
49 PSR B1859+07 Psr 19 01 39.02000 +07 16 33.6000     14.03     ~ 88 0
50 PSR J1901+0510 Psr 19 01 57.90 +05 10 36.5           ~ 15 0
51 PSR J1902+0300 Psr 19 01 59.6168 +03 00 23.324           ~ 6 0
52 PSR J1902+02 Psr 19 02 +02.0           ~ 3 0
53 PSR B1900+05 Psr 19 02 42.60000 +05 56 25.8000           ~ 86 0
54 PSR B1900+06 Psr 19 02 50.27700 +06 16 33.4100           ~ 66 0
55 PSR J1902+0248 Psr 19 02 50.3 +02 48 56           ~ 4 0
56 PSR J1903+0415 Psr 19 03.0 +04 15           ~ 3 0
57 PSR J1903+0327 Psr 19 03 05.7937 +03 27 19.222           ~ 187 1
58 PSR J1903+0609 Psr 19 03 20.87 +06 01 34.0           ~ 12 0
59 PSR B1900+01 Psr 19 03 29.9860 +01 35 38.530           ~ 133 0
60 PSR B1901+10 Psr 19 04 02.49 +10 11 34.6           ~ 28 0
61 PSR J1904+0800 Psr 19 04 03.50 +08 00 52.6           ~ 18 0
62 PSR B1902+04.1 Psr 19 04 31.382 +04 12 05.90           ~ 24 0
63 PSR J1905+0453 Psr 19 04 59.3848 +04 51 54.953           ~ 6 0
64 PSR J1905+0603 Psr 19 05 04.3352 +06 01 00.650           ~ 14 0
65 PSR B1902+06.1 Psr 19 05 06.849 +06 16 16.70           ~ 26 0
66 PSR B1903+07 Psr 19 05 53.62 +07 09 19.4           ~ 43 0
67 PSR J1906+0725 Psr 19 06.0 +07 25           ~ 3 0
68 PSR B1904+09.1 Psr 19 06 28.46 +09 12 56.6           ~ 9 0
69 PSR B1904+06 Psr 19 06 35.244 +06 41 02.90           ~ 55 0
70 PSR J1906+0749 Psr 19 06 48.67 +07 46 28.6           ~ 172 1
71 PSR J1906+0055 Psr 19 06 48.68051 +00 55 07.8860           ~ 7 0
72 PSR J1907+0256 Psr 19 07.0 +02 56           ~ 1 0
73 PSR J1907+05 Psr 19 07 +05.0           ~ 3 0
74 PSR J1907+0345 Psr 19 07 14.54 +03 45 10.6           ~ 12 0
75 PSR J1907+09 Psr 19 07 22.441 +09 18 30.76           ~ 38 0
76 PSR B1904+05.5 Psr 19 07 23.34 +05 34 53.0           ~ 7 0
77 PSR J1907+1149 Psr 19 07 37.78 +11 49 37.1           ~ 6 0
78 PSR J1907+0249 Psr 19 07 42.0 +02 49 41           ~ 7 0
79 PSR B1905+07.5 Psr 19 07 44.118 +07 40 22.60           ~ 15 0
80 PSR J1907+0731 Psr 19 07 54.79 +07 31 21.9           ~ 7 0
81 PSR J1908+0500 Psr 19 08 05.162 +05 00 54.45           ~ 19 0
82 PSR J1908+0909 Psr 19 08 07.437 +09 09 12.40           ~ 17 0
83 PSR B1905+04 Psr 19 08 16.15 +04 57 41.0           ~ 14 0
84 PSR J1908+0734 Psr 19 08 17.010 +07 34 14.36           ~ 37 0
85 PSR B1905+08.5 Psr 19 08 18.51 +08 39 59.2           ~ 13 0
86 PSR B1906+09 Psr 19 08 58.76 +09 16 14.0           ~ 28 0
87 PSR B1906+09.1 Psr 19 09 19.91 +09 12 53.7           ~ 22 0
88 PSR J1909+1148 Psr 19 09 31.379 +11 48 59.86           ~ 6 0
89 PSR B1907+02 Psr 19 09 38.31100 +02 54 50.3600           ~ 94 0
90 PSR B1907+10 Psr 19 09 48.6222922872 +11 02 02.884778124     13.61     ~ 155 0
91 PSR B1907+06.1 Psr 19 09 51.21 +06 16 51.8           ~ 9 0
92 PSR J1910+1027 Psr 19 10.0 +10 27           ~ 5 0
93 PSR J1910+1256 Psr 19 10 09.701454 +12 56 25.48680           ~ 108 1
94 PSR B1908+12 Psr 19 10 13.53 +12 31 40.2           ~ 44 0
95 PSR J1910+0714 Psr 19 10 18.597 +07 14 11.80           ~ 26 0
96 PSR J1910+0728 Psr 19 10 22.079 +07 28 37.09           ~ 18 0
97 PSR B1907+05.4 Psr 19 10 26.51 +05 34 09.0           ~ 9 0
98 PSR J1911+09 Psr 19 11 +09.0           ~ 3 0
99 PSR J1911+10 Psr 19 11 +10.0           ~ 3 0
100 PSR B1910+10 Psr 19 12 46.33 +10 36 41.6           ~ 21 0
101 PSR J1913+0617 Psr 19 13.0 +06 17           ~ 1 0
102 PSR J1913+1103 Psr 19 13.0 +11 03           ~ 2 0
103 PSR B1910+08.4 Psr 19 13 00.50 +08 32 05.1           ~ 25 0
104 PSR J1913+1000 Psr 19 13 03.59 +10 00 02.4           ~ 18 0
105 PSR J1913+1333 Psr 19 13 17.975 +13 30 32.80           ~ 44 0
106 PSR J1913+1011 Psr 19 13 20.341 +10 11 22.97           ~ 84 0
107 PSR J1913+0904 Psr 19 13 21.06 +09 04 45.4           ~ 31 0
108 PSR B1911+13 Psr 19 13 24.35200 +14 00 52.5000           ~ 75 0
109 PSR B1911+11.6 Psr 19 13 43.88 +11 45 33.1           ~ 15 0
110 PSR B1911+09 Psr 19 13 52.70 +09 36 41.8           ~ 21 0
111 PSR B1911+11 Psr 19 14 10.12 +11 22 03.7           ~ 36 0
112 HD 179967 Psr 19 14 17.24 +06 31 56.3           A0 9 0
113 PSR J1914+0659 Psr 19 14 17.647 +07 01 11.00           ~ 5 0
114 PSR J1915+1144 Psr 19 15.0 +11 44           ~ 5 0
115 PSR J1915+1149 Psr 19 15.0 +11 49           ~ 5 0
116 PSR J1915+07 Psr 19 15 01.94 +07 52 09.2           ~ 16 0
117 PSR J1915+0839 Psr 19 15 13.87 +08 38 59.7           ~ 9 0
118 PSR B1913+16.7 Psr 19 15 19.10 +16 47 08.5           ~ 48 0
119 PSR J1915+0738 Psr 19 15 24.80 +07 38 31.4           ~ 15 0
120 PSR B1913+10 Psr 19 15 29.99300 +10 09 43.5800           ~ 102 0
121 PSR J1915+1410 Psr 19 15 35.42 +14 10 51.5           ~ 12 0
122 PSR B1913+10.5 Psr 19 16 11.72 +10 30 53.4     13.84     ~ 12 0
123 PSR J1916+0844 Psr 19 16 19.08 +08 44 07.0           ~ 15 0
124 PSR J1916+0852 Psr 19 16 24.6 +08 52 36           ~ 4 0
125 PSR B1915+09 Psr 19 16 32.33300 +09 51 25.9700           ~ 100 0
126 PSR J1916+07 Psr 19 16 51.5 +07 48 00           ~ 14 0
127 PSR B1914+13 Psr 19 16 58.67000 +13 12 50.0000           ~ 99 0
128 PSR B1915+13 Psr 19 17 39.79400 +13 53 57.1600           ~ 190 0
129 PSR J1918+1310 Psr 19 18.0 +13 10           ~ 2 0
130 PSR B1916+14 Psr 19 18 23.638 +14 45 06.00           ~ 130 0
131 PSR J1920+1110 Psr 19 20 13.31 +11 10 59.0           ~ 12 0
132 PSR J1920+1040 Psr 19 20 55.4 +10 40 31           ~ 13 0
133 PSR J1921+16 Psr 19 21 +16.0           ~ 2 0
134 PSR B1919+14 Psr 19 21 24.159 +14 19 17.10           ~ 78 0
135 PSR J1921+1544 Psr 19 21 46.4723 +15 44 17.460           ~ 4 0
136 PSR J1922+1733 Psr 19 22 53.2180 +17 33 23.470           ~ 10 0
137 PSR B1921+17 Psr 19 23 07.85 +17 06 09.4           ~ 28 0
138 PSR J1924+1628 Psr 19 24.0 +16 28           ~ 6 0
139 PSR J1924+17 Psr 19 24 +17.0           ~ 3 0
140 PSR J1924+1639 Psr 19 24 03.1115 +16 39 40.756           ~ 7 0
141 PSR J1925+1721 Psr 19 25.0 +17 21           ~ 2 0
142 PSR J1926+1613 Psr 19 26.0 +16 13           ~ 7 0
143 PSR J1926+2016 Psr 19 26 18.064 +20 16 01.13           ~ 6 0
144 PSR B1924+16 Psr 19 26 45.322 +16 48 32.78           ~ 90 0
145 PSR B1924+14 Psr 19 26 57.22 +14 34 55.3           ~ 50 0
146 PSR J1927+1852 Psr 19 27 10.414 +18 52 08.62           ~ 21 1
147 PSR B1925+18.8 Psr 19 27 24.97 +18 56 36.8           ~ 26 1
148 PSR J1928+1923 Psr 19 28 05.163 +19 23 31.32           ~ 8 0
149 PSR J1929+1955 Psr 19 29 17.5713 +19 55 07.910           ~ 6 0
150 PSR J1930+14 Psr 19 30 18.949 +14 08 55.30           ~ 5 0
151 PSR J1930+17 Psr 19 30 44 +17 25.0           ~ 6 0
152 PSR J1931+1440 Psr 19 31.0 +14 40           ~ 1 0
153 PSR B1929+15 Psr 19 31 55.71 +15 36 57.5           ~ 21 0
154 PSR J1931+1952 Psr 19 31 55.864 +19 52 11.50           ~ 4 0
155 PSR J1932+17 Psr 19 32 +17.0           ~ 3 0
156 PSR B1930+20 Psr 19 32 08.023 +20 20 46.41           ~ 87 0
157 PSR J1933+1726 Psr 19 33.0 +17 26           ~ 8 0
158 PSR J1934+19 Psr 19 34 +19.0           ~ 3 0
159 PSR B1933+17 Psr 19 35 29.97 +17 45 12.2           ~ 28 0
160 PSR J1935+2025 Psr 19 35 41.941 +20 25 40.10           ~ 39 0
161 PSR B1933+16 Psr 19 35 47.7011639352 +16 16 40.034899524           ~ 328 1
162 PSR J1936+21 Psr 19 35 48.0 +21 22 55           ~ 8 0
163 PSR J1936+20 Psr 19 36 28.702 +20 41 26.62           ~ 4 0
164 PSR J1938+2213 Psr 19 38 14.180 +22 13 12.68           ~ 24 0
165 PSR J1938+2012 Psr 19 38 40.0803 +20 12 50.827           ~ 7 0
166 PSR J1939+2449 Psr 19 39 05.596 +24 42 55.60           ~ 20 0
167 PSR B1937+21.4 Psr 19 39 38.560096 +21 34 59.13552           ~ 1142 0
168 PSR J1940+2246 Psr 19 40.0 +22 46           ~ 1 0
169 PSR B1944+22 Psr 19 46 24.89 +22 44 59.4     14.20     ~ 37 0
170 PSR J1946+2611 Psr 19 46 45.81 +26 11 49.2           ~ 20 0
171 PSR J1957+2831 Psr 19 57 19.397 +28 31 43.84           ~ 32 0
172 PSR J1957+2516 Psr 19 57 34.6156739821 +25 16 02.246983345           ~ 23 0
173 PSR B2002+31 Psr 20 04 52.286 +31 37 10.01           ~ 138 0
174 PSR J2144-3939 Psr 21 44 12.01000 -39 33 58.4000           ~ 145 0

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